Konflux build pipeline service account migration

[red-hat-konflux]

Build pipeline Service Account migration

This PR changes Service Account used by build pipeline from "appstudio-pipeline" to dedicated to the Component Service Account.
Please merge the Service Account update to avoid broken builds when deprected "appstudio-pipeline" Service Account is removed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.78%. Comparing base (b47170d) to head (74b21cc).

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2389      +/-   ##
============================================
+ Coverage     43.76%   43.78%   +0.02%     
  Complexity      765      765              
============================================
  Files           275      275              
  Lines         13243    13243              
  Branches       1328     1328              
============================================
+ Hits           5796     5799       +3     
+ Misses         6857     6855       -2     
+ Partials        590      589       -1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.